[SATLUG] dhcpd + assistance + 1000 users

Sexton, Art, ISD ASexton956 at Worldsavings.com
Thu Jan 12 11:47:52 CST 2006


A DHCP server can provide IP addresses to clients spanning multiple
subnets if the router that separates them can act as an RFC 1542(BOOTP)
relay agent. If the router cannot function as relay agent, each subnet
will require a DHCP server.  AFAIK anyway...

Art Sexton

-----Original Message-----
From: satlug-bounces at satlug.org [mailto:satlug-bounces at satlug.org] On
Behalf Of Geoff
Sent: Thursday, January 12, 2006 11:43 AM
To: The San Antonio Linux User's Group Mailing List
Subject: Re: [SATLUG] dhcpd + assistance + 1000 users

twistedpickles wrote:

>Greetings,
>
>I need some assistance setting up a dhcp server for at least 1000 
>users. My current set up only allows for a little over 230 addresses 
>due some static ip assignments  for access points and users.
>
>I use 10.0.200.0 scheme. The first IP address is 10.0.200.1 and the the

>IP range is from 10.0.200.15 to 10.0.200.254.
>I thought I could change the range from 10.0.200.15 to 10.0.203.254 
>with a subnet mask of  255.255.252.0 but that didn't work. I receive an

>error that reads "IP Adress 10.0.200.15 to 10.0.203.254, netmask 
>255.255.255.0 span multiple subnets.
>
>I'm not sure where I'm going wrong. I listed my original dhcpd.conf
below:
>

You answered it right there.. 10.0.200.* and 10.0.203.* are different
subnets.

I'm thinking you might need another instance of dhcpd running, with a
different dhcpd.conf file, to utilize two different subnets.

I could be wrong, but at least that would be one way.

---
-Geoff

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